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TitleAdaptive Contouring with Quadratic Tetrahedra (In Book)
inScientific Visualization: The Visual Extraction of Knowledge from Data
Author(s) Benjamin F. Gregorski, David F. Wiley, Hank Childs, Bernd Hamann, Ken Joy
Editor(s) Georges-Pierre Bonneau, Thomas Ertl, G. M. Nielson
Year 2006
PublisherSpringer-Verlag
AddressHeidelberg, Germany
Pages3--15
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Abstract We present an algorithm for adaptively extracting and rendering iso- surfaces of scalar-valued volume datasets represented by quadratic tetrahedra. Hier- archical tetrahedral meshes created by longest-edge bisection are used to construct a multiresolution C0-continuous representation using quadratic basis functions. A new algorithm allows us to contour higher-order volume elements efficiently.